Windsor Castle, Saturday, 8 August, 19:33
Overcast. Feels like 79°. High 85°, low 70°.
Windsor Castle, Sunday, 9 August
Clear. High 86°, low 70°.
Windsor Castle, Monday, 10 August
Rain. High 87°, low 69°.
Windsor Castle, Tuesday, 11 August
Rain. High 88°, low 68°.
Windsor Castle, Wednesday, 12 August
Rain. High 82°, low 68°.
Windsor Castle, Thursday, 13 August
Overcast. High 83°, low 63°.
Windsor Castle, Friday, 14 August
Clear. High 76°, low 58°.
Windsor Castle, Saturday, 15 August
Clear. High 75°, low 52°.
Windsor Castle, Sunday, 16 August
Clear. High 77°, low 52°.
Windsor Castle, Monday, 17 August
Light rain. High 79°, low 56°.
Windsor Castle, Tuesday, 18 August
Light rain. High 75°, low 64°.
Windsor Castle, Wednesday, 19 August
Light rain. High 82°, low 62°.
Windsor Castle, Thursday, 20 August
Overcast. High 74°, low 57°.
Windsor Castle, Friday, 21 August
Rain. High 69°, low 62°.
Windsor Castle, Saturday, 22 August
Light rain. High 84°, low 66°.
Windsor Castle, Sunday, 23 August
Clear. High 71°, low 53°.
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Windsor Castle, PA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
They are real temperature extremes recorded in Windsor Castle, PA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.